milepost

UK: /ˈmaɪlˌpəʊst/ US: /ˈmaɪlˌpoʊst/ ,(mīl′pōst′)

WordReference Random House Learner's Dictionary of American English © 2026

mile•post /ˈmaɪlˌpoʊst/   n. [countable]

1. any one of a series of posts set up to mark distance by miles, as along a highway.

WordReference Random House Unabridged Dictionary of American English © 2026

mile•post  (mīl′pōst′), n. 

1. any of a series of posts set up to mark distance by miles, as along a highway, or an individual post showing the distance to or from a place.
2. a notable point or significant event in the progress or development of something;
   milestone.

• mile + post¹ 1760–70, American.

Collins Concise English Dictionary © HarperCollins Publishers::

milepost / ˈmaɪlˌpəʊst/ noun

1. a marking post on a racecourse a mile before the finishing line
2. a signpost that shows the distance in miles to or from a place